<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style>
#d01{
	width:700px;
	height:150px;
	background-color:#0F3;
	}
#d02{
	width:100px;
	height:800px;
	background-color:#009;
	float:left;
	}
#d03{
	width:600px;
	height:800px;
	background-color:#900;
	float:left;
	}
.father{
	width:700px;
	margin:auto;}
</style>
</head>
<body>
<div class="father">
   <div id="d01">1</div>
   <div id="d02">2</div>
   <div id="d03">3</div>
</div>
</body>
</html>
